Usually, the transmitter is plugged into a socket from its stationary position while the receiver is battery operated since it could be brought anywhere. What Baby Monitors Do Baby monitors generally help mothers oversee the baby without being stuck inside the baby s room all day. Through this, mothers are able to do what must be done around the house thereby accomplishing a lot. Mobile baby monitors are examples of such useful devices that make parenthood more manageable than you would expect, especially if you're a single mom or dad. What is a Mobile Baby Monitor? In essence, a mobile baby monitor is a radio transmitter coupled with a receiver. The set is synchronized to a predetermined frequency band that gives off a frequency modulation (FM) signal once it is switched on. This becomes very useful in instances wherein you might be preoccupied with loud noises in the area such as the sound of the television or vacuum. This will at least keep you alert and aware if the baby is making noises. Having an indicator on the gadget that activates whenever the battery is low prevents instances of the battery running out without you knowing. Instead, they receive muffled, indefinable, and sometimes almost inaudible sounds which resemble voices and words coming from a human. When examined by experts, these sounds can t be technically explained. But when examined by professional ghost hunters, they turn out to be ghost voices also known as electronic voice phenomenon. They experience interferences because of different factors one of which is the use of other wireless devices either in your flat or in the flat of other tenants. Luckily, there are several ways on how to, if not eliminate, at least minimize the existence of interference. On top of the list is changing the channel or frequency of your baby monitor. You can be in the kitchen or in the garden and still be able to keep an eye over the baby since you are not limited with a wire. It is important to know though that these devices also have a limit to their range. Special Features Some video baby monitors have special features. This is mostly based on the manufacturer and provider of your baby monitor.